《献血法》规定,献血者两次献血的时间间隔不得少于()
A.一个月
B.两个月
C.三个月
D.四个月
E.六个月
参考答案:E
The manager put forward a suggestion()we should have an assistant. There is too much work to do.
A. whether
B. that
C. which
D. what
右侧结肠癌最多见的大体形态是( )
A.浸润型膝B.溃疡型C.肿块型D.浸润溃疡型E.弥漫型